Fibre optic receiver module, f. reconversion of fibre optic signals into TTL digital tacho signals Connections pluggable, version for ST-plug Connector not included in delivery Mounting on top-hat rails, protection class IP 20 UB = +5 V ±5 % Inputs: max. 3x fibre optics Outputs: TTL rectangular signals, with drivers for max. 30 m, with inverted signals